VoIP GSM SpGate GI4
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| Description: | Network type: 2G, 3G, Number of LAN ports: 1, VoIP protocols: SIP |
| Type: | VoIP gateway |
| Control: | Web interface |
| VoIP codecs: | G.711, G.722, G.729 |
| Phone features: | Caller ID, Speed Dial, Call Forwarding, Call Hold, Echo Cancellation |
| VoIP protocols: | SIP |
| Dial-up type: | 2G, 3G |
| Number of LAN ports: | 1 |